https://rtblint.org/blog/ OpenRTB news and analysis: spec releases, IAB Tech Lab updates, privacy signals, and CTV, from the team behind the rtblint validator. en-us https://rtblint.org/blog/ctv-pod-bidding-2026/ https://rtblint.org/blog/ctv-pod-bidding-2026/ Wed, 24 Jun 2026 12:00:00 GMT CTV The 2.6 pod bidding toolkit (podid, rqddurs, durfloors, mincpmpersec) was built for the live-sports CTV surge now underway. What sellers actually ship in 2026. https://rtblint.org/blog/openrtb-2-6-202505-what-changed/ https://rtblint.org/blog/openrtb-2-6-202505-what-changed/ Wed, 10 Jun 2026 12:00:00 GMT Spec release A field-by-field look at the May 2025 OpenRTB update and the integration work it creates for exchanges and bidders, centered on the new data.cids field. https://rtblint.org/blog/ua-client-hints-sua/ https://rtblint.org/blog/ua-client-hints-sua/ Wed, 20 May 2026 12:00:00 GMT Signals Chrome UA reduction froze device.ua years ago. How the structured device.sua object (UserAgent, BrandVersion) works, and why bidders should parse it first. https://rtblint.org/blog/dsa-transparency-2026/ https://rtblint.org/blog/dsa-transparency-2026/ Wed, 06 May 2026 12:00:00 GMT Privacy The regs.ext.dsa and bid.ext.dsa extension two years into EU Digital Services Act enforcement: who requires it, what dsarequired values mean in practice. https://rtblint.org/blog/plcmt-migration-three-years/ https://rtblint.org/blog/plcmt-migration-three-years/ Wed, 15 Apr 2026 12:00:00 GMT Video OpenRTB 2.6-202303 deprecated video.placement for plcmt in April 2023. Three years on, why dual-sending both fields is still the norm, not the exception. https://rtblint.org/blog/openrtb-3-ads-cert-2026/ https://rtblint.org/blog/openrtb-3-ads-cert-2026/ Tue, 31 Mar 2026 12:00:00 GMT Protocol Eight years after 3.0 went final, the layered protocol and its signed supply chain remain mostly unadopted. What would have to change, and what to do now. https://rtblint.org/blog/gpp-new-sections-2026/ https://rtblint.org/blog/gpp-new-sections-2026/ Wed, 11 Mar 2026 12:00:00 GMT Privacy The Global Privacy Platform added four state sections for 2026. What regs.gpp and regs.gpp_sid must carry, and the mistakes that keep showing up in traffic. https://rtblint.org/blog/dated-snapshots-era/ https://rtblint.org/blog/dated-snapshots-era/ Wed, 25 Feb 2026 12:00:00 GMT Spec release Since 2.6-202211, OpenRTB version numbers only move on breaking changes; everything else lands as dated snapshots. What that means for validation. https://rtblint.org/blog/openrtb-2-6-202501-review/ https://rtblint.org/blog/openrtb-2-6-202501-review/ Wed, 04 Feb 2026 12:00:00 GMT Spec release OpenRTB 2.6-202501 added content.gtax and content.genres for CTV genre signaling. What changed, who is affected, and how to check your fixtures against it. https://rtblint.org/blog/iab-tech-lab-2026-roadmap-openrtb/ https://rtblint.org/blog/iab-tech-lab-2026-roadmap-openrtb/ Wed, 21 Jan 2026 12:00:00 GMT IAB IAB Tech Lab's 2026 roadmap is mostly agentic advertising. Its one OpenRTB post covers gtax, genres, and a Curation object excluded from OpenRTB itself.